Freaky things on GTA V

Hey there good plp of GTA V you know what freaks me out on GTA V is when I go on a boat far out in the ocean its freaky bacause a Big red dot can show up on ur screen sometimes when out in the ocean on a boat what could that red dot be well...its a shark and im so terrified of sharks like really terrified there was this 1 time I was swimming under water looking for the UFO underwater and a Big red dot poped up on my map I new straight away what it was I freaked out and swam fast to my boat it felt so real lol.... and UFOs can be seen sometimes around GTA V like one on the Mountain when its nightime and thunder weather it is freaky to see a UFO on the Mountain at nightime and on a thunder weater on GTA V guys have you ever had freaky moments like me on GTA V? if so let me know Id love to hear it.